He says this would save lives.
Studies showthat many people do not want to perform mouth-to-mouth breathing on a stranger for fear of getting a disease.
Cardiac arrest kills more than three hundred thousand people in the United States every year.
今天学的是26,27,28句，一转眼马上英语晨读课就要快结束了，一步步走到现在，也多多少少意识到学英语就是不断实践，反复练习的一个过程，除了这个已经别无他法。
练完，早点睡觉，火车上没有睡好，在火车上邻座的人说，你呼打的也太响了点吧，我想说的是我练习英语发音能有这个响声该多好。
